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💍 Elevate your wellness game—wear the future on your finger.
The Oura Ring 4 is a sleek, all-titanium smart ring designed for continuous 24/7 wear, offering advanced biometric tracking of over 30 health metrics including sleep, heart rate, and activity. With up to 8 days of battery life, water resistance up to 100 meters, and a sizing kit to ensure the perfect fit, it seamlessly integrates with iOS and Android devices via Bluetooth, empowering professionals to optimize their health with precision and style.
| ASIN | B0D9WTFDBF |
| Additional Features | Heart Rate Monitor, Activity Tracker |
| Age Range Description | Adult |
| Band Color | black |
| Band Material Type | Stainless Steel |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | #583 in Electronics ( See Top 100 in Electronics ) #3 in Wearable Tech Rings |
| Brand | OURA |
| Built-In Media | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Case Material Type | Titanium |
| Closure Type | Continuous Band |
| Color | Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ring |
| Country of Origin | Estonia |
| Customer Reviews | 4.0 out of 5 stars 9,053 Reviews |
| Display Type | No Display |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Touchscreen |
| Item Dimensions | 26 x 26 x 7 millimeters |
| Item Dimensions D x W x H | 26D x 26W x 7H millimeters |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Sleep Duration, Heart Rate, Distance, Step Count |
| Model Name | JZ90-54144-09 |
| Model Number | JZ90-54144-09 |
| Operating System | [Proprietary operating system] |
| Operating system | [Proprietary operating system] |
| Shape | Round |
| Special features | Heart Rate Monitor, Activity Tracker |
| Sport Type | Multi-Sports |
| Style Name | Modern |
| Supported Application | Sleep Monitor |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 2 year manufacturer warranty |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |
A**L
Very good ring, apps, afterservice
I bought in Apr-25 (with Salama 1yr extra warranty). I have been using this ring a everyday and never give me issues. However, these last couple of day, it started to lose connection when i am outside, and battery seems to be very quick charge. Contacted the support thru app, and got replacement in mere minutes. Very good after service. Ring itself is very good at tracking sleep, stress level, and help me plan my day. The heart rate is same as my sport band type hrm. The app is very good, able to sync with strava, google health. If any suggestion i would make, is for Oura to allow the notes for daily supplements to carry over. I have supplements around same time, everyday. I would recommend the ring for the after service, apps - and that it comes in a ring package, so i can wear my watches without feeling dumb :)
A**A
New Ring
My Oura Ring arrived in perfect condition, the box was closed and the ring is new, was very easy to create and account in the app, I got one month free subscription as advertised, I was so worry about the reviews and at the end everything works great. Love the ring colour.
D**A
WOULD NOT RECOMMEND
After just 6 months, the battery lasts only 1 day. The ring frequently loses connection and fails to record data, especially during sleep. Very disappointing experience — would not recommend.
L**G
the best investment I've ever made
I love it !! The Oura Ring 4 is a powerful tool for those looking to optimize their health mindfully and without the digital noise of other devices. It’s ideal for anyone who values sleep quality, physical recovery, and overall well-being. I highly recommend it if you’re committed to improving your lifestyle in a smart and sustainable way.
T**E
Pricey and good quality
No wonder it is priced very high but it delivers the quality justifying the price tag
H**A
Good but where is my cleaning pad
Got it from Amazon prime sale. Dwliveeu within 3 hrs. The ring was packed well. Happy with it but wondering where could I get my cleaning pad as it wasn't sent to me
K**O
Life changing if you’re willing to put the work in
I’ve had it for a month now and I can say it really keeps me on track not necessarily health and fitness but more habits and trends. I think everyone can benefit from it. It came neatly packaged and sealed 100% new and after wearing every day I definitely have a lot of small scratches (and I take it off for showering doing dishes etc) but not visible to the normal eye
Y**A
Tarnished very quickly, choose carefully
The Oura Ring colour has tarnished within 4 weeks of wearing, it now looks copper (not rose gold), and doesn't match my jewellery. I'd ideally like to exchange but the return window is really short on Amazon and there is no option to swap now even after a short period, wouldn't recommend as the colours tarnish very quickly!
D**A
Nice
Delivery took longer than expected, but i am happy with the ring. It does exactly what they advertise. Its a nice to have.
A**S
Top, je suis vraiment contente de mon achat.
Top, je suis vraiment contente de mon achat🤩
U**A
Najlepszy
Najlepszy tracker samopoczucia i dobrostanu
C**L
Great insights on sleep
I’ve only used it for a week so I haven’t gotten the full insights it can offer, but the Oura ring 4 has been great so far. I bought it primarily to track my sleep, and it’s fascinating to track the quality of my sleep each night.
T**A
Padrísimo…
Increíble gran compra …
Trustpilot
2 months ago
3 weeks ago